Calcite vs Chrysocolla
| Property | Calcite | Chrysocolla |
|---|---|---|
| Formula | CaCO3 | (Cu,Al)2H2Si2O5(OH)4 · nH2O |
| Crystal System | Trigonal | Orthorhombic |
| Mineral Class | 05 Carbonates and Nitrates | 09 Silicates |
| Mohs Hardness | 3.0 | 2.0-4.0 |
| Color | Colorless, white, yellow, orange, blue, green | Blue, blue-green, green, turquoise |
| Luster | Vitreous | Vitreous |
| Streak | White | White to pale blue |
| Transparency | Transparent | Translucent |
| Cleavage | Perfect rhombohedral {1011} | None |
| Fracture | Conchoidal | Conchoidal |